一个多模式的卷积神经网络模型,用于帕金森病的诊断,基于合并的手写动态信号信号
1Graduate School of Natural and Applied Sciences, Department of Electrical and Electronics Engineering, Gazi University, Ankara, Türkiye.
Journal of medical systems
|October 9, 2025
概括
这项研究介绍了一种使用手写动态的多式联络深度学习系统,用于帕金森病.
科学领域:
- 神经学和人工智能 人工智能
- 生物医学信号处理
- 机器学习用于医疗保健
背景情况:
- 帕金森病 (PD) 诊断需要精确性和稳定性,早期检测对管理至关重要.
- 手写的动态表现为早期发现PD的生物标志物具有前途.
- 目前的PD诊断方法往往缺乏足够的准确性和可靠性.
研究的目的:
- 开发一种新的多式联络深度学习决策支持系统,以改善帕金森病的早期诊断.
- 通过先进的信号处理技术,整合静态和动态手写特征.
- 为了提高帕金森病检测的诊断准确性和解释性.
主要方法:
- 一个多式深度学习模型,将静态手写图像与合时间频率表示 (STFT,CWT) 的抓地压力,轴压力,倾斜和加速度计数据相结合.
- 利用短时间里叶变换 (STFT) 和连续波纹变换 (CWT) 来从传感器信号中生成光谱图和光谱图.
- 使用梯度加权类激活映射++ (Grad-CAM++) 用于可解释AI (XAI) 以确保模型可解释性.
主要成果:
- 融合STFT光谱图实现了85.41%的准确性,多式联网CNN的准确性提高到97.92%.
- 融合CWT扫描仪的精度为92.08%,通过多式联络方法提高到96.66%.
- 基于CWT的方法优于STFT,并将融合时间频率图像与可视化集成进一步提高了准确性.
结论:
- 手写动态的融合时间频率表示对于帕金森病的诊断是有效的.
- 多模式深度学习方法,特别是CWT,提供高精度和可解释的PD检测.
- 需要对各种数据集进行进一步验证,以确认可通用性和临床适用性.
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